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 A102258 Begin with 5, multiply each digit by 2. 0
 5, 10, 2, 0, 4, 0, 8, 0, 16, 0, 2, 12, 0, 4, 2, 4, 0, 8, 4, 8, 0, 16, 8, 16, 0, 2, 12, 16, 2, 12, 0, 4, 2, 4, 2, 12, 4, 2, 4, 0, 8, 4, 8, 4, 2, 4, 8, 4, 8, 0, 16, 8, 16, 8, 4, 8, 16, 8, 16, 0, 2, 12, 16, 2, 12, 16, 8, 16, 2, 12, 16, 2, 12, 0, 4, 2, 4, 2, 12, 4, 2, 4, 2, 12, 16, 2, 12, 4, 2, 4, 2, 12, 4 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 LINKS FORMULA d*2, beginning with 5 EXAMPLE Read a(2)=10 which produces a(3)=2 & a(4)=0 because 1*2=2 and 0*2=0 Now read a(3)=2 which produces [a(4) is already written] a(5)=4 because 2*2=4. MATHEMATICA Flatten[ NestList[ Function[x, Flatten[FromDigits /@ 2IntegerDigits[x]]], 5, 15]] (* Robert G. Wilson v, Feb 21 2005 *) CROSSREFS Sequence in context: A307716 A091306 A073048 * A169841 A084341 A054513 Adjacent sequences:  A102255 A102256 A102257 * A102259 A102260 A102261 KEYWORD base,easy,nonn AUTHOR Alexandre Wajnberg and Eric Angelini, Feb 19 2005 EXTENSIONS More terms from Robert G. Wilson v, Feb 21 2005 STATUS approved

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Last modified October 22 05:29 EDT 2019. Contains 328315 sequences. (Running on oeis4.)